The Craig Creek Cluster is a region recognized by The Wilderness Society for its unique high elevation mountains, vistas, trout streams and wildlife habitat. The cluster contains wildlands and wilderness areas along Craig Creek, a 65-mile long creek with headwaters at the Brush Mountain Wilderness near Blacksburg.

The Sinking Creek Valley Cluster is a region in the Jefferson National Forest recognized by The Wilderness Society for its unique recreational and scenic values as well as the importance of its watershed protection for Johns Creek and Craig Creek. Sinking Creek Valley is one of the most scenic valleys in Virginia.